GitHub - khaytsus/mxergo: Some scripts, settings, utilities to make good use of the MX Ergo in Linux
Logitech Ergo M575 Wireless Trackball for Business, White, Bolt (910-006437)
Logitech MX ERGO Advanced Wireless Trackball Mouse
BRAND NEW IN BOX Logitech MX Ergo Plus Wireless Trackball Mouse FREE SHIPPING! | eBay
PSA for Linux users: current Solaar supports detailed settings for Logitech mice/trackballs with Unifying receiver (tested M575, MX Ergo and MX Vertical) : r/Trackballs
Logitech MX Master 3S - Wireless Performance Mouse with Ultra-Fast Scrolling, Ergo, 8K DPI, Track on Glass, Quiet Clicks, USB-C, Bluetooth, Windows, Linux, Chrome-Graphite - Store 07
Amazon.com: Logitech Ergo M575 Wireless Trackball Mouse for Business - Ergonomic Design, Secured Logi Bolt Technology, Bluetooth, Globally Certified, Windows/Mac/Chrome/Linux - Graphite : Electronics